B1202 Infiniti Code - Diagnosis Sensor Unit
Quick Answer
The Air Bag Diagnosis Sensor Unit detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the air bag warning lamp in the combination meter. Common causes include Faulty Diagnosis Sensor Unit, Diagnosis Sensor Unit harness is open or shorted, Diagnosis Sensor Unit circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1202 Infiniti indicates Diagnosis Sensor Unit.
- Common causes
- Common causes include Faulty Diagnosis Sensor Unit, Diagnosis Sensor Unit harness is open or shorted, Diagnosis Sensor Unit circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1202 Infiniti Description
The Air Bag Diagnosis Sensor Unit contains the “G†sensors for both frontal and side collisions and spare battery function in case of main battery damaged in a collision.
What are the Possible Causes of the DTC B1202 Infiniti?
- Faulty Diagnosis Sensor Unit
- Diagnosis Sensor Unit harness is open or shorted
- Diagnosis Sensor Unit circuit poor electrical connection
How to Fix the DTC B1202 Infiniti?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1202 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the B1202 Infiniti code?
Need more information on how to fix the B1202 Infiniti code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1202 Infiniti code diagnosed by a professional: Find a repair shop in your area
Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service
- Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
- Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
- Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
- Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
Frequently Asked Questions about B1202 Infiniti Code
What does the OBDII code B1202 mean for my Infiniti?
The B1202 code indicates a problem with the Diagnosis Sensor Unit, which is responsible for monitoring the vehicle's airbag system.
What are the common symptoms associated with the B1202 code?
Common symptoms include the airbag warning light being illuminated on the dashboard, potential issues with airbag deployment, and sometimes associated fault codes.
What might cause the B1202 code to trigger?
Causes can include a faulty Diagnosis Sensor Unit, wiring issues, poor connections, or a malfunction in the airbag system.
Can I drive my Infiniti safely with the B1202 code?
It is not recommended to drive the vehicle with this code active, as it may indicate that the airbag system is not functioning properly, which can compromise safety.
How can I diagnose the B1202 code?
To diagnose the B1202 code, use an OBDII scanner to confirm the code and check for additional related codes, inspect wiring and connectors, and test the Diagnosis Sensor Unit.
What are some repair tips for fixing the B1202 code?
Inspect and repair any damaged wiring or connectors, replace the Diagnosis Sensor Unit if faulty, and clear the codes after repairs to see if the problem persists.
Is it necessary to reset the airbag system after fixing the B1202 code?
Yes, after repairs, it is important to reset the airbag system using an OBDII scanner to ensure the system is functioning correctly and to clear the warning light.
Could a dead battery cause the B1202 code to appear?
Yes, a dead or weak battery can lead to electrical issues that may trigger the B1202 code, so it’s advisable to check the battery condition.
Should I consult a professional mechanic for the B1202 code?
If you’re not experienced with automotive electrical systems and airbag components, it’s best to consult a professional mechanic for proper diagnosis and repair.
Discuss the causes and fixes for B1202 Infiniti OBDII Code
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